t = ('hello', [10, 20, 30], 'python', 'world')
print(t)
t = tuple([10, 11, 23, 10])
print(t)
print()
print('10在元组中是否存在：', (10 in t))
print('10在元组中不存在：', (10 not in t))
print('max', max(t))
print('min', min(t))
print('len', len(t))
print('t.index', t.index(10))
print('t.count', t.count(10))
y = (10,)
print(y, type(y))
print(t)